Mayo Clinic Minute: Reversing a vasectomy

Human sperm stained for semen quality testing in the clinical laboratory. Credit: Bobjgalindo/Wikipedia

People change their minds. Some men who had a vasectomy to become infertile might decide for whatever reason that they want to have more children. In those cases, vasectomy reversal can be an option.

About a half-million vasectomies are performed every year in the U.S. for men who no longer want to have children. And of those, 6% will elect to have it reversed at some point in their lives.

"It's definitely more involved. So is a 15- to 30-minute procedure, but a reversal is a 2 1/2-hour to four-hour procedure," says Dr. Sevann Helo, a Mayo Clinic urologist.

The vas deferens tubes carry sperm from the testicles to the semen.

"We're essentially putting those two tubes back together that were initially cut for the vasectomy," says Dr. Helo.

Almost all vasectomies can be reversed, but it doesn't guarantee success in conceiving a child. Pregnancy rates after a reversal range from 30% to 90%, depending on the procedure. And after a , there is some .

"I generally tell patients to take it easy for at least four weeks. That means heavy lifting; straining; strenuous exercise, including sexual activity. So after four weeks, a couple can start trying to conceive," says Dr. Helo.

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